March in St. Lucia is characterized by warm temperatures and some of the lowest amounts of rainfall all year. Vacationers will find the hot sun tempered by cool trade winds off of the water a comfortable change from some of the chilly winter weather back home.
Typical Weather in March
Temperatures in St. Lucia during March generally vary between an average high during the day of 83.0 degrees and an average low at night of 77.0 degrees
| Monthly Averages | | High | Low | Rainfall
(inches) | No. of Days
with Rain |
| 83.0° F |
77.0° F |
N.A. |
14.0 |
|
Temperature
During the early morning hours of an average March day in St. Lucia, you can expect the temperature will be in the vicinity of 78.3 degrees.
The temperature will rise over the course of the typical March day, reaching somewhere around 82.9 degrees by early afternoon.
By early evening, temperatures in St. Lucia generally decline to around 76.8 degrees.
Temperatures in St. Lucia average around 80.3 degrees during March.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 78.3° F |
82.3° F |
82.9° F |
80.5° F |
76.8° F |
80.3° F |
|
Rain
Rain is least likely to occur in St. Lucia during March around 2:00 PM, and it is most likely to occur around 8:00 AM.
To the extent thunderstorms occur in St. Lucia during March, they are most likely to occur around 8:00 AM, as shown in the following table.
| Percent Frequencies of Hourly Observations | | Hour | Rain
and/or
Drizzle | Thunder-
storms |
| 2:00 AM |
# |
# |
| 5:00 AM |
# |
# |
| 8:00 AM |
21.2 % |
0.5 % |
| 11:00 AM |
18 % |
0 % |
| 2:00 PM |
12.4 % |
0 % |
| 5:00 PM |
14.5 % |
0 % |
| 8:00 PM |
14.8 % |
0 % |
| 11:00 PM |
# |
# |
| ALL |
16.4 % |
0.1 % |
|
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